55504454 has 16 divisors (see below), whose sum is σ = 84436128. Its totient is φ = 27362112.

The previous prime is 55504441. The next prime is 55504489. The reversal of 55504454 is 45440555.

It is a self number, because there is not a number n which added to its sum of digits gives 55504454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45152 + ... + 46364.

It is an arithmetic number, because the mean of its divisors is an integer number (5277258).

Almost surely, 2^55504454 is an apocalyptic number.

55504454 is a deficient number, since it is larger than the sum of its proper divisors (28931674).

55504454 is a wasteful number, since it uses less digits than its factorization.

55504454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 55504454 is about 7450.1311397854. The cubic root of 55504454 is about 381.4543849379.

The spelling of 55504454 in words is "fifty-five million, five hundred four thousand, four hundred fifty-four".